名校
1 . 设定义在
上的函数
的值域为A,若集合A为有限集,且对任意
,存在
,使得
,则满足条件的集合A的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5223ece2f8f76850c49e2505304532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538bf484d4428e4eb0f5f23ca8424ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f55898443df4490e50b1f893ddbfc54.png)
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名校
2 . 已知
,
,
,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59be3cdfa080671467d91c17ebb36bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
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名校
3 . 在三棱锥
中,给出下面四种说法:
①若
,则
在底面的射影为
外心
②若
,
,
,则
在底面的射影为
的垂心
③若
,
,
与底面所成的角相等,则
在底面的射影为
的重心
④三个侧面
,
,
与底面所成二面角相等,则
在底面的射影为
的内心,其中所有正确说法的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700f2f0f1cf306f7fc18d18fe91d0acb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5fd36febe2821b31ba016de4b04b9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/878287dcfc8c30ec0f5acad9225d2c78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9de1108c83a16cb3c52b6e891e12ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6e2867f32d3f1c3cd36cd3a11a8580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d4db9b82b67efe45a02fca32bfcf5dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2bc5e50b8dfa02601c70822252854a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
④三个侧面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9c9cfa597b444b5c9dbae7a825a695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21665d21bbfb04410c78345de1fd15ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc6f6dfdbe7d39891c35f67e1a95c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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解题方法
4 . 已知函数
若
且
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bfba16d9cbcc863500f42ed5edcadab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
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5 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba24a5dce47fbd2a79a593ca0be5069.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faf11604bb57205ba71dea71349f9b48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba24a5dce47fbd2a79a593ca0be5069.png)
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2024-06-13更新
|
250次组卷
|
2卷引用:陕西省铜川市第一中学2023-2024学年高一上学期期末质量测评数学试题
6 . 古希腊数学家托勒密对三角学的发展做出了重要贡献,他的《天文学大成》包含一张弦表(即不同圆心角的弦长表),这张表本质上相当于正弦三角函数表.托勒密把圆的半径60等分,用圆的半径长的
作为单位来度量弦长.将圆心角
所对的弦长记为
.如图,在圆
中,
的圆心角所对的弦长恰好等于圆
的半径,因此
的圆心角所对的弦长为60个单位,即![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af62753905ae48459d5543255f1d951c.png)
.若
为圆心角,
,则
.______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3e21b4e394a3a01fb51a67fafaccb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a3504172c63a1ae2481c130c426e30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af62753905ae48459d5543255f1d951c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8699ac473ac35962c9756a7891bcfd3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bbe344a129538a507ab3047227239a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d4bf37b295de4fc2cc16c00027f8245.png)
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7 . 已知
,
的部分取值如下表所示:
画出散点图,分析可知
与
线性相关,且求得线性回归方程为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
0 | 2 | 3 | 4 | 6 | |
1 | 5.4 | 7.6 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e939b68ad597c83fe36369ea884e145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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8 .
的展开式中,
的系数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408c27289c58b2967de78e74a4be8a73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3336c8ed5361c10c37300e41e03f9f2f.png)
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名校
解题方法
9 . 函数
(
且
)的图象恒过定点
,若
且
,
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32751c39a4200a960a21be7ba3bb36f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cc6b91ee0383aa1149937f752697141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/625b076f50e4a252aaa628f64ade741e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec022e65aafc4fc7dca683ecda67e5b.png)
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2024-06-12更新
|
314次组卷
|
2卷引用:陕西省西安市西安中学2024届高三仿真考试(一)数学试题
解题方法
10 . 已知正项等比数列
中,
,
,则满足
成立的最大正整数
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fc336b4a83bf6d66c4afcc431597f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa69dde104dcf963e67647e801e0149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58df83ade660628133093fbdcd80875d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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